| |  Products & Services Metal Composition
P.O. Box 4420 Portland, OR 97208-4420 Toll free: 1-877-283-5351
Metal Composition
| Information | Yellow Gold | Yellow Gold | PD Based Alloy | Yellow Gold | NP PFM | Co-Cr (Ni-free) | White Gold | | Trade Name | Academy | Mini-Gold 50 | D-Sign 53 | D-Sign 98 | 4 All | Wirobond 280 | Argedent Euro | | Manufacturer | Williams | Williams | Williams | Williams | Williams | BEGO | Argen |
Physical Characteristic
Color | Rich Yellow | Yellow | White | Yellow | Silver | Silver | White | Vickers Hardness | 125 | 125 | 250 | 220 | 235 | 280 | a= 260 h=290 | Elongation % | 55 | 28 | 13 | 8 | | | a= 15 h= 9 | Density(g/cm3) | 15.9 | 12.4 | 10.7 | 18.9 | 8.4 | 8.5 | 12.8 | Melting Range | 940-980 | 865-925 | 1180-1280 | 1055-1170 | 1260-1350 | 1360-1400 | | Casting Temp. | 1035-1095 | 980-1040 | 1335-1395 | 1225-1285 | 1405-1465 | 1500 | | Kind of Metal | Precious | Precious | Semi-Precious | Precious | Base | Base | Precious |
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| AG | 12.7 | 47 | 34.9 | | | | 10 | | AL | | | | | <1.0 | | | | AU | 77.2 | 40 | | 85.9 | | | 40 | | C | | | | | <1.0 | | | | Co | | | | | | 60.2 | | | CR | | | | | 25.7 | 25 | | | CU | 8.5 | 7.5 | | | | | | | FE | | | | <1.0 | | | | | GA | | | | | | 2.9 | 1.4 | | IN | <1.0 | <1.0 | 1.7 | <1.0 | | | 8.8 | | IR | <1.0 | <1.0 | | <1.0 | | | | | LI | | | <1.0 | | | | | | MN | | | | <1.0 | <1.0 | | | | MO | | | | | 11 | 4.8 | | | NI | | | | | 61.4 | | | | PD | | 4 | 53.8 | | | | 39.4 | | PT | <1.0 | | <1.0 | 12.1 | | | | | RE | | | <1.0 | | | | | | RU | | | <1.0 | | | | | | SI | | | | | 1.5 | | | | SN | | | 7.7 | | | | <1.0 | | TA | <1.0 | | | <1.0 | | | | | W | | | | | | 6.2 | | | ZN | <1.0 | 1 | 1.2 | 1.5 | | | |
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